package com.example.demo;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;

@Repository
public class UserDao {
    @Autowired
    JdbcTemplate jdbcTemplate;

    public User getUserByName(String userName)
    {
        String sql="select * from user where username=?";
        return jdbcTemplate.queryForObject(sql,new BeanPropertyRowMapper<User>(User.class),userName);
    }
}
